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The Energy Saving for Separately Excited DC Motor Drive via Model Based Method

  • Udomsuk, Sasiya (Power electronics, Energy, machines and Control Research Group, School of Electrical Engineering, Suranaree University of Technology) ;
  • Areerak, Kongpol (Power electronics, Energy, machines and Control Research Group, School of Electrical Engineering, Suranaree University of Technology) ;
  • Areerak, Kongpan (Power electronics, Energy, machines and Control Research Group, School of Electrical Engineering, Suranaree University of Technology)
  • Received : 2014.08.06
  • Accepted : 2015.09.09
  • Published : 2016.03.01

Abstract

The model based method for energy saving of the separately excited DC motor drive system is proposed in the paper. The accurate power loss model is necessary for this method. Therefore, the adaptive tabu search algorithm is applied to identify the parameters in the power loss model. The field current values for minimum power losses at any load torques and speeds are calculated by the proposed method. The rule based controller is used to control the field current and speed of the motor. The experimental results confirm that the model based method can successfully provide the energy saving for separately excited DC motor drive. The maximum value of the energy saving is 48.61% compared with the conventional drive method.

Keywords

Adaptive tabu search;Energy saving;Model based method;Rule based controller;Separately excited DC motor

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